Iowa · August 15, 2025

Iowa hail map — August 15, 2025

NOAA radar detected hail of an inch or more over 3 Iowa cities on August 15, 2025. The largest stones — 1.00″, quarter size — fell over Cedar Rapids.

Hail swath map for Cedar Rapids, IA on August 15, 2025 showing 1.00 inch hail.
Swath over Cedar Rapids on August 15, 2025 — 1.00″ hail. Each city below has its own map for this storm.
Cities hit
3
in Iowa
Largest stone
1.00″
quarter size
Impact rating
3/10
from stone size

Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

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Iowa cities hit on August 15, 2025

Cedar Rapids, IA1.00″ · quarterMarshalltown, IA1.00″ · quarterFort Dodge, IA1.00″ · quarter

What people on the ground measured in Iowa on August 15, 2025

7 reports filed with the National Weather Service — 2 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

  • 1.50″ half dollar size Public
    2 NNE Holstein, IA12:12 PM CDTIda County

    Hail not quite as large as golf balls. Time estimated from radar.

  • 1.50″ half dollar size Trained Spotter
    3 W Cedar Rapids, IA5:40 PM CDTLinn County
  • 1.00″ quarter size Public
    Livermore, IA1:01 PM CDTHumboldt County

    delayed report received via social media. Time estimated from radar.

  • 1.00″ quarter size Public
    Holstein, IA1:20 PM CDTIda County

    Public report of quarter sized hail ongoing in Holstein at at 1320 on 15 Aug 2025. Corroborated time and likelihood of hail with radar.

  • 1.00″ quarter size Law Enforcement
    Dumont, IA2:45 PM CDTButler County
  • 0.88″ penny size Public
    1 WSW Galva, IA12:31 PM CDTIda County
  • 0.70″ penny size Emergency Mngr
    4 N Fairfax, IA5:41 PM CDTLinn County

Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.

Other states hit on August 15, 2025

Minnesota34 cities · 2.00″New York3 cities · 2.00″Arizona1 city · 1.00″
The full US hail map for August 15, 2025 →

Other Iowa hail days

August 12, 20262 cities · 1.00″August 7, 20262 cities · 1.00″July 27, 20263 cities · 1.00″July 21, 20261 city · 1.00″July 20, 20267 cities · 1.50″July 4, 20261 city · 1.00″July 3, 20263 cities · 1.00″July 2, 20267 cities · 1.00″July 1, 20261 city · 1.50″June 30, 20261 city · 1.00″June 28, 20262 cities · 1.00″June 17, 20261 city · 1.00″
Every hail day across Iowa →
FAQ

Iowa hail on August 15, 2025

NOAA radar put hail of an inch or more over 3 Iowa cities that day. The largest stones — 1.00 inches, quarter size — were over Cedar Rapids. Every city hit is listed above with its own stone size.

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